blob: 8bee2a664c83760d12a897eb4230331f6e99c229 [file] [log] [blame]
Olof Johanssonf5cd7872007-01-31 21:43:54 -06001/*
2 * Copyright (C) 2006 PA Semi, Inc
3 *
4 * Driver for the PA6T-1682M onchip 1G/10G Ethernet MACs, soft state and
5 * hardware register layouts.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef PASEMI_MAC_H
22#define PASEMI_MAC_H
23
24#include <linux/ethtool.h>
25#include <linux/netdevice.h>
26#include <linux/spinlock.h>
Olof Johanssonbb6e9592007-05-08 00:47:54 -050027#include <linux/phy.h>
Olof Johanssonf5cd7872007-01-31 21:43:54 -060028
Olof Johansson28ae79f2007-11-28 20:57:27 -060029#define MAX_LRO_DESCRIPTORS 8
30
Olof Johanssonf5cd7872007-01-31 21:43:54 -060031struct pasemi_mac_txring {
Olof Johansson34c20622007-11-28 20:56:32 -060032 struct pasemi_dmachan chan; /* Must be first */
Olof Johanssonf5cd7872007-01-31 21:43:54 -060033 spinlock_t lock;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060034 unsigned int size;
Olof Johansson021fa222007-08-22 09:13:11 -050035 unsigned int next_to_fill;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060036 unsigned int next_to_clean;
Olof Johanssonfc9e4d22007-10-02 16:25:53 -050037 struct pasemi_mac_buffer *ring_info;
Olof Johansson72b05b92007-11-28 20:54:28 -060038 struct pasemi_mac *mac; /* Needed in intr handler */
Olof Johansson61cec3b2007-11-28 20:56:54 -060039 struct timer_list clean_timer;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060040};
41
42struct pasemi_mac_rxring {
Olof Johansson34c20622007-11-28 20:56:32 -060043 struct pasemi_dmachan chan; /* Must be first */
Olof Johanssonf5cd7872007-01-31 21:43:54 -060044 spinlock_t lock;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060045 u64 *buffers; /* RX interface buffer ring */
46 dma_addr_t buf_dma;
47 unsigned int size;
48 unsigned int next_to_fill;
49 unsigned int next_to_clean;
Olof Johanssonfc9e4d22007-10-02 16:25:53 -050050 struct pasemi_mac_buffer *ring_info;
Olof Johansson72b05b92007-11-28 20:54:28 -060051 struct pasemi_mac *mac; /* Needed in intr handler */
Olof Johanssonf5cd7872007-01-31 21:43:54 -060052};
53
54struct pasemi_mac {
55 struct net_device *netdev;
56 struct pci_dev *pdev;
57 struct pci_dev *dma_pdev;
58 struct pci_dev *iob_pdev;
Olof Johanssonbb6e9592007-05-08 00:47:54 -050059 struct phy_device *phydev;
Stephen Hemmingerbea33482007-10-03 16:41:36 -070060 struct napi_struct napi;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060061
Olof Johanssonf5cd7872007-01-31 21:43:54 -060062 u8 type;
63#define MAC_TYPE_GMAC 1
64#define MAC_TYPE_XAUI 2
Olof Johansson72b05b92007-11-28 20:54:28 -060065 u32 dma_if;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060066
67 u8 mac_addr[6];
68
Olof Johansson28ae79f2007-11-28 20:57:27 -060069 struct net_lro_mgr lro_mgr;
70 struct net_lro_desc lro_desc[MAX_LRO_DESCRIPTORS];
Olof Johanssonf5cd7872007-01-31 21:43:54 -060071 struct timer_list rxtimer;
Olof Johansson28ae79f2007-11-28 20:57:27 -060072 unsigned int lro_max_aggr;
Olof Johanssonf5cd7872007-01-31 21:43:54 -060073
74 struct pasemi_mac_txring *tx;
75 struct pasemi_mac_rxring *rx;
Olof Johansson72b05b92007-11-28 20:54:28 -060076 char tx_irq_name[10]; /* "eth%d tx" */
77 char rx_irq_name[10]; /* "eth%d rx" */
Olof Johanssonbb6e9592007-05-08 00:47:54 -050078 int link;
79 int speed;
80 int duplex;
Olof Johanssonceb51362007-05-08 00:47:49 -050081
82 unsigned int msg_enable;
Olof Johanssonbb6e9592007-05-08 00:47:54 -050083 char phy_id[BUS_ID_SIZE];
Olof Johanssonf5cd7872007-01-31 21:43:54 -060084};
85
Olof Johanssonfc9e4d22007-10-02 16:25:53 -050086/* Software status descriptor (ring_info) */
Olof Johanssonf5cd7872007-01-31 21:43:54 -060087struct pasemi_mac_buffer {
88 struct sk_buff *skb;
89 dma_addr_t dma;
90};
91
92
Olof Johansson40afa532007-11-28 20:56:04 -060093/* PCI register offsets and formats */
94
Olof Johanssonf5cd7872007-01-31 21:43:54 -060095
Olof Johanssonf5cd7872007-01-31 21:43:54 -060096/* MAC CFG register offsets */
Olof Johanssonf5cd7872007-01-31 21:43:54 -060097enum {
98 PAS_MAC_CFG_PCFG = 0x80,
99 PAS_MAC_CFG_TXP = 0x98,
100 PAS_MAC_IPC_CHNL = 0x208,
101};
102
103/* MAC CFG register fields */
104#define PAS_MAC_CFG_PCFG_PE 0x80000000
105#define PAS_MAC_CFG_PCFG_CE 0x40000000
106#define PAS_MAC_CFG_PCFG_BU 0x20000000
107#define PAS_MAC_CFG_PCFG_TT 0x10000000
108#define PAS_MAC_CFG_PCFG_TSR_M 0x0c000000
109#define PAS_MAC_CFG_PCFG_TSR_10M 0x00000000
110#define PAS_MAC_CFG_PCFG_TSR_100M 0x04000000
111#define PAS_MAC_CFG_PCFG_TSR_1G 0x08000000
112#define PAS_MAC_CFG_PCFG_TSR_10G 0x0c000000
113#define PAS_MAC_CFG_PCFG_T24 0x02000000
114#define PAS_MAC_CFG_PCFG_PR 0x01000000
115#define PAS_MAC_CFG_PCFG_CRO_M 0x00ff0000
116#define PAS_MAC_CFG_PCFG_CRO_S 16
117#define PAS_MAC_CFG_PCFG_IPO_M 0x0000ff00
118#define PAS_MAC_CFG_PCFG_IPO_S 8
119#define PAS_MAC_CFG_PCFG_S1 0x00000080
120#define PAS_MAC_CFG_PCFG_IO_M 0x00000060
121#define PAS_MAC_CFG_PCFG_IO_MAC 0x00000000
122#define PAS_MAC_CFG_PCFG_IO_OFF 0x00000020
123#define PAS_MAC_CFG_PCFG_IO_IND_ETH 0x00000040
124#define PAS_MAC_CFG_PCFG_IO_IND_IP 0x00000060
125#define PAS_MAC_CFG_PCFG_LP 0x00000010
126#define PAS_MAC_CFG_PCFG_TS 0x00000008
127#define PAS_MAC_CFG_PCFG_HD 0x00000004
128#define PAS_MAC_CFG_PCFG_SPD_M 0x00000003
129#define PAS_MAC_CFG_PCFG_SPD_10M 0x00000000
130#define PAS_MAC_CFG_PCFG_SPD_100M 0x00000001
131#define PAS_MAC_CFG_PCFG_SPD_1G 0x00000002
132#define PAS_MAC_CFG_PCFG_SPD_10G 0x00000003
133#define PAS_MAC_CFG_TXP_FCF 0x01000000
134#define PAS_MAC_CFG_TXP_FCE 0x00800000
135#define PAS_MAC_CFG_TXP_FC 0x00400000
136#define PAS_MAC_CFG_TXP_FPC_M 0x00300000
137#define PAS_MAC_CFG_TXP_FPC_S 20
138#define PAS_MAC_CFG_TXP_FPC(x) (((x) << PAS_MAC_CFG_TXP_FPC_S) & \
139 PAS_MAC_CFG_TXP_FPC_M)
140#define PAS_MAC_CFG_TXP_RT 0x00080000
141#define PAS_MAC_CFG_TXP_BL 0x00040000
142#define PAS_MAC_CFG_TXP_SL_M 0x00030000
143#define PAS_MAC_CFG_TXP_SL_S 16
144#define PAS_MAC_CFG_TXP_SL(x) (((x) << PAS_MAC_CFG_TXP_SL_S) & \
145 PAS_MAC_CFG_TXP_SL_M)
146#define PAS_MAC_CFG_TXP_COB_M 0x0000f000
147#define PAS_MAC_CFG_TXP_COB_S 12
148#define PAS_MAC_CFG_TXP_COB(x) (((x) << PAS_MAC_CFG_TXP_COB_S) & \
149 PAS_MAC_CFG_TXP_COB_M)
150#define PAS_MAC_CFG_TXP_TIFT_M 0x00000f00
151#define PAS_MAC_CFG_TXP_TIFT_S 8
152#define PAS_MAC_CFG_TXP_TIFT(x) (((x) << PAS_MAC_CFG_TXP_TIFT_S) & \
153 PAS_MAC_CFG_TXP_TIFT_M)
154#define PAS_MAC_CFG_TXP_TIFG_M 0x000000ff
155#define PAS_MAC_CFG_TXP_TIFG_S 0
156#define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
157 PAS_MAC_CFG_TXP_TIFG_M)
158
159#define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000
160#define PAS_MAC_IPC_CHNL_DCHNO_S 16
161#define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
162 PAS_MAC_IPC_CHNL_DCHNO_M)
163#define PAS_MAC_IPC_CHNL_BCH_M 0x0000003f
164#define PAS_MAC_IPC_CHNL_BCH_S 0
165#define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
166 PAS_MAC_IPC_CHNL_BCH_M)
167
Olof Johanssonf5cd7872007-01-31 21:43:54 -0600168#endif /* PASEMI_MAC_H */